Is the climate changing?

Manitoba’s climate

The charts below show how average temperatures have changed in Winnipeg in each season from 1872 to 2005. (1) Each point on each chart shows the average (mean) temperature (ºC) value for the same three-month period of each year:

Spring (Mar-May)

Springtime in Winnipeg has generally been warmer than it was in the late 1800s.

(Notice the dip in 1997, the year of the “Flood of the Century”)

Summer (Jun-Aug)

Our summers are a little warmer but really haven’t changed much.

Fall (Sep-Nov)

Like spring, our autumn temperatures have gotten warmer.

Winter

Our winters are where the real disturbances appear. The trendline shows about a 5°C increase in this period.